Title Acute kidney injury in cardiac surgery patients: role of glomerular filtration rate and fat-free mass /
Translation of Title Ūminio inkstų funkcijos pažeidimo vertinimas širdies chirurgijoje: glomerulų filtracijos greičio ir liesosios kūno masės reikšmė.
Authors Januškevičiūtė, Elija ; Vicka, Vaidas ; Krauklytė, Justina ; Vickienė, Alvita ; Ringaitienė, Donata ; Šerpytis, Mindaugas ; Šipylaitė, Jūratė
DOI 10.15388/Amed.2021.28.1.22
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Is Part of Acta medica Lituanica.. Vilnius : Vilniaus universiteto leidykla. 2021, vol. 28, no. 1, p. 22.. ISSN 1392-0138. eISSN 2029-4174
Keywords [eng] acute kidney injury ; eGFR ; fat-free mass
Abstract [eng] Background: eGFR (estimated glomerular filtration rate) formulas may be inaccurate in overweight cardiac surgery patients, overestimating the kidney reserve. The aim of this study was to modify the eGFR formulas and to determine whether the modified eGFR is a more accurate predictor of acute kidney injury (AKI). Materials and methods: The patients were assigned into 4 BMI groups as follows: normal weight (18.5–25 kg/m2), pre-obesity (25–30 kg/m2), class I obese (30–35 kg/m2), class II and III obese (≥35 kg/m2). Cockcroft–Gault (CG) eGFR formula was modified by using the fat-free mass (FFM) derived from bioelectrical impedance. ROC-AUC curves were analyzed to identify the accuracy of the eGFR formulas (CG, CG modified with FFM, Mayo Clinic Quadratic equation, CKD-EPI, MDRD) to predict the AKI in each group. Results: Although all of the used equations showed similar predictive power in the normal weight and overweight category, Mayo formula had the highest AUC in predicting the occurrence of AKI (ROC-AUC 0.717 and 0.624, p35 kg/m2). Conclusions: eGFR is a poor predictor of AKI, especially in the obese patients undergoing cardiac surgery. The only equation with a moderate predictive power for the class I obese patients was the CG formula modified with the fat-free mass.
Published Vilnius : Vilniaus universiteto leidykla
Type Journal article
Language English
Publication date 2021
CC license CC license description